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Topic: How do I make a small radius cut in sheet metal? (Read 190 times)
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ValiantOne
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Hey All, In order to install my new radiator I have to make two small cuts in my core support. The new radiator has the trans cooling lines coming from the bottom of the tank vs. the back side of the tank where they were originally located. So to get the rad 1/4 inch lower so it will reach the original mounting points on the core suppt, I have to cut two holes in the sheet metal to let the cooling lines hang a bit lower. If I am going to cut here I want it to look as nice as possible. I know others won't see it, but I know it is there!!  So I need to make two small radius cuts (white arrows below) and I am not quite sure what tool to use. Could it be as simple as using a hole saw? Do they make hole saws for cutting metal? Or is there some other way that I am not thinking of? Thanks for any ideas, Chris  |
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Chris Evrard -76 Cordoba, 360 4bbl -68 Valiant, 273 2bbl -73 Dart, /6 1bbl, Leaning Tower of Power!!!  |
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automan63
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Yup, use a hole saw for the radius and then cut the straits last, JMHO Jeff.
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west
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use the proper size drill bit to achieve the radius you want in each corner first.then just use a die grinder on the rest.  |
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ValiantOne
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Jeff,
Is there a metal type of hole saw I need or can I get away with using the ones for wood?
Thanks!
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Chris Evrard -76 Cordoba, 360 4bbl -68 Valiant, 273 2bbl -73 Dart, /6 1bbl, Leaning Tower of Power!!! |
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Jim_Lusk
Official BS King
Global Moderator
BBD God
 Offline
Posts: 4847
A-bodies since 1978, this one since 1983
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Get ahold of a metal punch. Most electricians have access to one. Then use a cutoff wheel if you really need the rest of it opened up.
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7903 posts on old board.
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moparrr07
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i would use a cut off wheel, the a die grinder to get the curve you want
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'72 Duster: daily driver in 3 seasons, paid for, insured by and gased up, all by my 17 year old salary
225, 7 1/4, working on 451, and 8 3/4
brakes, 11 3/4
60-0: 105 ft.
cornering gs: estimate: .90
50% custom interior
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automan63
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Jeff,
Is there a metal type of hole saw I need or can I get away with using the ones for wood?
Thanks!
You can get metal ones |
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NYrr496
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Get ahold of a metal punch. Most electricians have access to one. Then use a cutoff wheel if you really need the rest of it opened up.
Punches rule. They're the way to go. And yes, there are metal holesaws. |
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It takes a Mopar to catch a Mopar.
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west
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i would use a cut off wheel, the a die grinder to get the curve you want
the cutoff wheel is attatced to the die grinder |
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